Table 1 The frequency of hormonal measurements of the study
From: Joint effect of particulate matter and cigarette smoke on women’s sex hormones
Phases | Mid-follicular | Late follicular | Ovulatory | Early luteal | Mid-luteal | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Days of the cycle | − 9 | − 8 | − 7 | − 6 | − 5 | − 4 | − 3 | − 2 | − 1 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Estradiol (E2) measurements | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
Progesterone (P) measurements | X | X | X | X | X | X | X | |||||||||||
E2/P ratio calculations | X | X | X | X | X | X | X | |||||||||||